diff --git a/tabsim/data/telescopes/SKA-Low-AA*-Phase-1.itrf.txt b/tabsim/data/telescopes/SKA-Low-AA*-Phase-1.itrf.txt
new file mode 100644
index 0000000..0d0cf5b
--- /dev/null
+++ b/tabsim/data/telescopes/SKA-Low-AA*-Phase-1.itrf.txt
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diff --git a/tabsim/data/telescopes/SKA-Low-AA*.itrf.txt b/tabsim/data/telescopes/SKA-Low-AA*.itrf.txt
new file mode 100644
index 0000000..5f2edc7
--- /dev/null
+++ b/tabsim/data/telescopes/SKA-Low-AA*.itrf.txt
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+-2567009.913 5085062.519 -2860571.527
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+-2567012.481 5085081.504 -2860533.499
+-2567203.393 5085665.763 -2859329.121
+-2567263.245 5085635.837 -2859326.395
+-2567233.316 5085670.762 -2859291.385
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+-2567251.155 5085687.347 -2859243.957
+-2566603.023 5086758.165 -2857916.222
+-2566568.631 5086785.588 -2857898.418
+-2566649.409 5086744.578 -2857907.739
+-2566677.627 5086747.082 -2857873.702
+-2566642.401 5086771.969 -2857858.909
+-2566609.416 5086796.884 -2857846.501
+-2564832.703 5088200.535 -2856930.997
+-2564915.316 5088179.056 -2856901.981
+-2564821.773 5088228.564 -2856895.595
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+-2564840.752 5088242.133 -2856859.105
+-2564907.322 5088214.013 -2856845.047
+-2561941.355 5089564.855 -2857087.321
+-2561974.203 5089562.428 -2857055.700
+-2561896.520 5089608.939 -2857051.469
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+-2561973.675 5089596.326 -2857002.845
+-2561919.321 5089626.587 -2856999.933
+-2565604.122 5085390.843 -2861228.919
+-2565576.149 5085419.927 -2861198.056
+-2565540.298 5085443.989 -2861191.938
+-2565615.791 5085406.248 -2861189.113
+-2565599.249 5085438.126 -2861145.351
+-2565641.825 5085425.405 -2861138.751
+-2557865.099 5087134.610 -2864936.171
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+-2551423.041 5090345.948 -2865012.417
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+-2552422.776 5085089.150 -2873358.335
+-2552527.325 5085068.625 -2873354.131
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+-2554865.278 5080351.643 -2879591.341
+-2554845.488 5080380.772 -2879562.139
+-2554895.002 5080362.592 -2879548.160
+-2554935.002 5080349.349 -2879536.116
+-2554849.705 5080404.401 -2879523.618
+-2554907.381 5080392.949 -2879488.453
+-2539448.815 5091870.288 -2872845.257
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+-2539444.802 5091863.870 -2872815.071
+-2539503.821 5091875.552 -2872789.899
+-2539394.571 5091905.470 -2872786.241
+-2539337.895 5091921.493 -2872807.692
+-2534438.404 5087834.145 -2884260.020
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+-2534447.436 5087859.061 -2884208.584
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+-2565892.911 5085519.623 -2860744.289
+-2565829.102 5085557.137 -2860734.895
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+-2565820.362 5085588.811 -2860688.968
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+-2565805.205 5085964.897 -2860036.044
+-2565751.168 5085994.861 -2860026.835
+-2565857.734 5085946.291 -2860022.100
+-2565778.312 5086000.547 -2859990.387
+-2565827.708 5085984.560 -2859981.258
+-2565129.754 5086584.690 -2859529.669
+-2565078.600 5086615.963 -2859522.208
+-2565167.733 5086584.263 -2859503.232
+-2565123.785 5086617.900 -2859482.958
+-2565151.185 5086621.889 -2859449.277
+-2565094.774 5086652.231 -2859448.146
+-2563977.448 5087032.431 -2859762.809
+-2563979.472 5087054.782 -2859712.645
+-2564049.191 5087033.394 -2859692.779
+-2563945.923 5087087.626 -2859688.922
+-2564011.511 5087058.263 -2859682.395
+-2563973.894 5087089.663 -2859655.978
+-2562736.684 5087265.567 -2860448.850
+-2562789.532 5087237.441 -2860449.289
+-2562769.237 5087263.451 -2860421.403
+-2562820.874 5087257.229 -2860393.089
+-2562733.575 5087300.056 -2860388.473
+-2562784.792 5087283.499 -2860369.925
+-2561659.688 5086950.941 -2861955.842
+-2561618.204 5086987.913 -2861925.233
+-2561704.859 5086950.026 -2861919.511
+-2561674.145 5086978.766 -2861896.078
+-2561706.737 5086981.824 -2861866.131
+-2561639.270 5087014.275 -2861857.744
+-2561233.118 5085888.895 -2864153.978
+-2561272.626 5085870.421 -2864151.719
+-2561317.976 5085866.679 -2864118.251
+-2561288.601 5085893.153 -2864097.544
+-2561252.563 5085918.328 -2864085.062
+-2561290.835 5085918.515 -2864050.872
+-2562337.810 5083947.474 -2866602.419
+-2562250.143 5083999.560 -2866587.959
+-2562304.114 5083987.668 -2866561.217
+-2562250.240 5084022.431 -2866547.689
+-2562358.374 5083965.982 -2866551.449
+-2562280.748 5084025.708 -2866514.934
diff --git a/tabsim/data/telescopes/SKA-Low-Stations.ipynb b/tabsim/data/telescopes/SKA-Low-Stations.ipynb
new file mode 100644
index 0000000..d642ba6
--- /dev/null
+++ b/tabsim/data/telescopes/SKA-Low-Stations.ipynb
@@ -0,0 +1,255 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "23d4ddb2-8030-41d0-84ff-e1e03b348f85",
+   "metadata": {},
+   "source": [
+    "# [Station Definitions](https://gitlab.com/ska-telescope/ska-low-tmdata/-/raw/main/tmdata/instrument/ska1_low/layout/low-layout.json)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "f002cd4b-ee83-4905-ac97-687b10b596d3",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import json \n",
+    "import numpy as np\n",
+    "import matplotlib.pyplot as plt"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "e8f5b027-1c00-4867-aece-a8201ecb4a06",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ant_def_path = \"low-layout.json\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "ee3a5128-8986-4d30-a3df-9073e14b454b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ant_def = json.load(open(ant_def_path))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "id": "631f6955-01d4-4bb2-af6d-dc086dde243e",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# ant_def[\"receptors\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 52,
+   "id": "43ecf950-458c-4c36-813d-10ca4b60dc19",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "itrf = np.array([[station[\"location\"][\"geocentric\"][\"x\"], station[\"location\"][\"geocentric\"][\"y\"], station[\"location\"][\"geocentric\"][\"z\"]] for station in ant_def[\"receptors\"]])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 53,
+   "id": "e8a9a3a2-5482-43b9-b2ef-f84a18e67236",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "names = np.array([station[\"station_label\"].upper() for station in ant_def[\"receptors\"]])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 54,
+   "id": "7beb8739-0e81-4060-84eb-e579f496e852",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "513"
+      ]
+     },
+     "execution_count": 54,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "names.size"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 55,
+   "id": "976c2c26-01f5-40b2-a07d-223a6bfbaba7",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(513, 3)"
+      ]
+     },
+     "execution_count": 55,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "itrf.shape"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 56,
+   "id": "028d2ab5-1421-4ea9-9cc0-ec062404f76d",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "array([[-2565044.433,  5085763.695, -2861062.44 ],\n",
+       "       [-2565124.772,  5085647.53 , -2861207.079],\n",
+       "       [-2564996.842,  5085851.958, -2860957.838],\n",
+       "       ...,\n",
+       "       [-2563019.956,  5104967.241, -2828678.976],\n",
+       "       [-2562936.799,  5105011.142, -2828672.877],\n",
+       "       [-2562980.353,  5104999.681, -2828656.466]])"
+      ]
+     },
+     "execution_count": 56,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "itrf"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 57,
+   "id": "faef6b44-889e-4c63-941a-c8243a2a79cb",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from ska_ost_array_config.array_config import LowSubArray, MidSubArray"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 76,
+   "id": "4824a912-b633-414d-8972-3406e24f16fa",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "stages = [\"AA4\", \"AA*\", \"AA* phase 1\", \"AA2\", \"AA1\", \"AA0.5\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 77,
+   "id": "9958a8b7-5846-4b97-a2f1-e7515908f955",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "low_config_idxs = [np.array([np.where(names==station)[0][0] for station in LowSubArray(subarray_type=stage).array_config[\"names\"].data]) for stage in stages]\n",
+    "# mid_config_idxs = [np.array([np.where(names==station)[0][0] for station in MidSubArray(subarray_type=stage).array_config[\"names\"].data]) for stage in stages]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 78,
+   "id": "a55211d6-a68a-4335-81d8-bd65ffbd37b9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "low_config_itrfs = [itrf[idx] for idx in low_config_idxs]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 81,
+   "id": "06bad78b-1dc9-4d4e-9703-0f0e83351b44",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "for low_itrf, stage in zip(low_config_itrfs, stages):\n",
+    "    np.savetxt(f\"SKA-Low-{stage.replace(' ', '-')}.itrf.txt\", low_itrf, fmt=\"%.3f\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 74,
+   "id": "c58c9d45-53c4-4c0b-90ec-6d7439ca1cd2",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "mid_aastar = MidSubArray(subarray_type=\"AA*\")\n",
+    "mid_aa4 = MidSubArray(subarray_type=\"AA4\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 59,
+   "id": "1076b130-82af-4852-89c1-234edabf6789",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "arr_config = low_aastar.array_config"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 73,
+   "id": "a701c9d8-911d-43c5-8f03-bed22ab32272",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "low_aastar_idx = np.array([np.where(names==station)[0][0] for station in low_aastar.array_config[\"names\"].data])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c73a9b21-b91e-46d6-a3b8-f077a6679180",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python3.11 (ska-config)",
+   "language": "python",
+   "name": "ska-config"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.14"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/tabsim/data/telescopes/_telescopes.yaml b/tabsim/data/telescopes/_telescopes.yaml
index 08f841f..696cd87 100644
--- a/tabsim/data/telescopes/_telescopes.yaml
+++ b/tabsim/data/telescopes/_telescopes.yaml
@@ -16,4 +16,51 @@ eda2:
 
 mwa:
   name: MWA
-  itrf_path: MWA.itrf.txt
\ No newline at end of file
+  latitude: -26.70331940
+  longitude: 116.67081524
+  elevation: 377.827
+  dish_d: 5.0
+  itrf_path: MWA.itrf.txt
+
+ska-low-aa0.5:
+  name: SKA-Low-AA0.5
+  latitude: -26.824722
+  longitude: 116.764448
+  dish_d: 39.0
+  itrf_path: SKA-Low-AA0.5.itrf.txt
+
+ska-low-aa1:
+  name: SKA-Low-AA1
+  latitude: -26.824722
+  longitude: 116.764448
+  dish_d: 39.0
+  itrf_path: SKA-Low-AA1.itrf.txt
+
+ska-low-aa2:
+  name: SKA-Low-AA2
+  latitude: -26.824722
+  longitude: 116.764448
+  dish_d: 39.0
+  itrf_path: SKA-Low-AA2.itrf.txt
+
+ska-low-aa*-phase-1:
+  name: SKA-Low-AA*-Phase-1
+  latitude: -26.824722
+  longitude: 116.764448
+  dish_d: 39.0
+  itrf_path: SKA-Low-AA*-Phase-1.itrf.txt
+
+ska-low-aa*:
+  name: SKA-Low-AA*
+  latitude: -26.824722
+  longitude: 116.764448
+  dish_d: 39.0
+  itrf_path: SKA-Low-AA*.itrf.txt
+
+ska-low-aa4:
+  name: SKA-Low-AA4
+  latitude: -26.824722
+  longitude: 116.764448
+  dish_d: 39.0
+  itrf_path: SKA-Low-AA4.itrf.txt
+